Summary of the invention
At first, for the system that constitutes by existing information processor, be that the instigator uses description of drawings with the voice signal.
Fig. 1 is the block diagram of an example of the existing display system of expression.Among Fig. 1, expression main information processing unit is the situation of display unit 100.Display unit 100 shows the image of the television broadcasting that television receiving antenna 101 is received.
Audio system 102 and transcriber-1 (104) then is the example of information processor of the present invention if having the equipment of a plurality of HDMI connectors, plays a role as the external equipment of display unit 100.They are connected with display unit 100 by different HDMI connectors.That is, the holding wire that the thick arrow among the figure is represented connects with different HDMI connector respectively, and signal of video signal and voice signal are supplied with display unit 100 from external equipment.Tape deck-1 (103) is connected with display unit 100 by the HDMI connector of audio system 102.
In the state of Fig. 1, display unit 100 shows the broadcasting that is received by television receiving antenna 101, so do not show external equipment institute signal supplied under this state.On the other hand, follow the voice signal of this broadcasting to sound better effects if, shown in the thin arrow among the figure, in audio system 102, prepare to be used for sending by light to audio system 102 interface of digital audio signal from display unit 100 in order to make.But the user must prepare optical cable for this reason, connects outside the cable that the HDMI connector is used, and ease for use is also good inadequately.
In addition, show signal of video signal, and and then audio system 102 is sent under the situation of voice signals and also have same problem from transcriber-1 (104) in display unit 100.
In order to address this problem, in nearest HDMI standard, to be provided with and to be used to use the HDMI connector voice signal to be sent to ARC (Audio Return Channel, audio frequency the feedback passage) function of other information processors.This is used Fig. 2 explanation.
Fig. 2 is the block diagram of another example of the existing display system of expression.The sendaisle of the voice signal that is designated as ARC among the figure promptly is set, to allow to other information processors being sent voice signal from some information processors in the HDMI connector.
As shown in Figure 2, when display unit 100 received broadcasting and shown, if use ARC to audio system 102 its voice signals of output, then the user can hear the sound of the loud speaker 102A that is had from audio system 102 with good sound quality.In addition, the voice signal that for example also tape deck-1 (103) can be supplied with is supplied with to other information processors by audio system 102 or display unit 100.
The problem that worry about this moment is, for example work as transcriber-1 (104) and have sound reproducing function, in the time of can handling the voice signal of supplying with, if utilize ARC to carry out voice output from transcriber-1 (104) requests under situation about the HDMI connector quantity of carrying out voice output by ARC not being limited, then this loud speaker 104A also can send identical sound with loud speaker 102A before.
In order to address this problem, can will to determine by the HDMI connector of ARC output sound signal and be fixed as some in a plurality of connectors.But the equipment that the user needs will want to supply with voice signal at every turn is connected with the HDMI connector of determining again, has the good inadequately problem of ease for use.
In order to solve above-mentioned problem, one embodiment of the present invention is a kind of information processor, the information signal that comprises voice signal to input is handled, this information processor is characterised in that, have: a plurality of HDMI connectors are used for and the outside information processor above-mentioned information signal of giving and accepting; The sound separated part is used for separating the tut signal from supplied with the above-mentioned information signal that comes by this HDMI connector; The out connector selection portion, its be supplied to by this sound separating part from the tut signal, from above-mentioned a plurality of HDMI connectors, select any to supply with this voice signal at least, perhaps any HDMI connector is not all supplied with the tut signal; And control part, action to above-mentioned information processor integral body is controlled, this control part, item based on regulation, above-mentioned out connector control part is controlled, so that the HDMI connector that the voice signal of above-mentioned separation is stipulated from above-mentioned a plurality of HDMI connectors is to the information processor output of said external.
In addition, another embodiment of the present invention is a kind of information processor, the information signal that comprises signal of video signal and voice signal to input is handled, this information processor is characterised in that, have: a plurality of HDMI connectors are used for and the outside information processor above-mentioned information signal of giving and accepting; The first video-audio separated part is used for from supplied with first voice signal that the above-mentioned information signal that comes separates first signal of video signal and follows this first signal of video signal by this HDMI connector; Television reception portion, the TV signal of receiving television broadcasting; The second video-audio separated part is used for separating second signal of video signal and the second sound signal of following this second signal of video signal from the above-mentioned broadcast singal that is received by this television reception portion; The input switching part, from be supplied to by the above-mentioned first video-audio separating part from first signal of video signal and by the above-mentioned second video-audio separating part from second signal of video signal select any, from be supplied to by the above-mentioned first video-audio separating part from first voice signal and by the above-mentioned second video-audio separating part from second sound signal synchronously select any with above-mentioned signal of video signal; Display part is supplied to the signal of video signal of being selected by this input switching part, and the image information that this signal of video signal had is shown; Loud speaker is supplied to the voice signal of being selected by above-mentioned input switching part, and sends the acoustic information that this voice signal has; The out connector selection portion is supplied to the voice signal of being selected by above-mentioned input switching part, selects any to supply with this voice signal at least from above-mentioned a plurality of HDMI connectors, perhaps any HDMI connector is not all supplied with the tut signal; And control part, action to above-mentioned information processor integral body is controlled, this control part, item based on regulation, above-mentioned out connector control part is controlled, so that the HDMI connector that the voice signal of above-mentioned separation is stipulated from above-mentioned a plurality of HDMI connectors is to the information processor output of said external.
In addition, one embodiment of the present invention is a kind of signal processing method of information processor, above-mentioned information processor is handled the information signal that comprises voice signal of input, and have and be used for and give and accept a plurality of HDMI connectors of above-mentioned information signal of outside information processor, the signal processing method of above-mentioned information processor is characterised in that, have: the connection device determination step, whether the information processor that is used for judging the outside that is connected with above-mentioned HDMI connector exists the equipment of particular types; With signal output determination step, the result who judges when this connection device determination step is when being judged to be the equipment that is connected with above-mentioned particular types, whether judge at information processor and export the voice signal of above-mentioned input the said external of any apparatus quantity, when the result who judges when this signal output determination step is the information processor output tut signal that is judged to be not the said external of any apparatus quantity, to information processor output tut signal as the outside of the equipment of above-mentioned specific kind.
In addition, one embodiment of the present invention is a kind of signal processing method of information processor, this information processor is handled the information signal that comprises voice signal of input, and have and be used for and give and accept a plurality of HDMI connectors of above-mentioned information signal of outside information processor, the signal processing method of above-mentioned information processor is characterised in that, have: the connection device determination step, whether the information processor that is used for judging the outside that is connected with above-mentioned a plurality of HDMI connectors exists the preference faciltiy of the voice signal of the above-mentioned input of preferential supply; With signal output determination step, the result who judges when this connection device determination step is judged to be when being connected with above-mentioned preference faciltiy, whether judge at the voice signal of other outside information processors of any apparatus quantity being exported above-mentioned input, the result who judges when this signal output determination step is judged to be when other outside information processors of any apparatus quantity not being exported the voice signal of above-mentioned input, to information processor output tut signal as the outside of above-mentioned preference faciltiy, when being judged to be when other outside information processors of any apparatus quantity being exported the voice signal of above-mentioned input, termination is to other outside information processor output sound signals of above-mentioned any apparatus quantity, to the information processor output tut signal as the outside of above-mentioned preference faciltiy.
In addition, one embodiment of the present invention is a kind of signal processing method of information processor, above-mentioned information processor is handled the information signal that comprises voice signal of input, and have and be used for and give and accept a plurality of HDMI connectors of above-mentioned information signal of outside information processor, the signal processing method of above-mentioned information processor is characterised in that, have: receiving step receives the request of being sent by the information processor of said external for the voice signal of exporting above-mentioned input; With the output determination step, when in this receiving step, receiving above-mentioned request, whether judge at other information processor output tut signal any apparatus quantity, the result who judges when this output determination step is judged to be to the information processor output tut signal of any apparatus quantity the time, the request that refusal is sent by the information processor of said external.
In addition, one embodiment of the present invention is a kind of signal processing method of information processor, above-mentioned information processor is handled the information signal that comprises voice signal of input, and have and be used for and give and accept a plurality of HDMI connectors of above-mentioned information signal of outside information processor, the signal processing method of above-mentioned information processor is characterised in that, in the information processor of said external, the preferential preference faciltiy of supplying with the voice signal of above-mentioned input of above-mentioned information processor is determined, the signal processing method of above-mentioned information processor has: receiving step receives the request of being sent by the information processor of said external for the voice signal of exporting above-mentioned input; Whether the output determination step when receiving above-mentioned request in this receiving step, is judged at other the information processor output tut signal to any apparatus quantity; With the request determination step, the result who judges when this output determination step be when other information processor of any apparatus quantity is exported the tut signal, judge whether above-mentioned request is the request that receives from above-mentioned preference faciltiy, the result who judges when this request determination step is that to be judged to be above-mentioned request be during from request that above-mentioned preference faciltiy receives, termination is supplied with the tut signal to other information processors of above-mentioned any apparatus quantity, and the information processor as above-mentioned preference faciltiy is supplied with the tut signal.
According to the present invention, can provide and select from a plurality of HDMI connectors arbitrarily that number of devices comes that the information processor of external device (ED) output sound signal and the signal processing method of information processor are had the effect of the ease for use that can improve the user.
Embodiment
Below, for embodiments of the invention with reference to description of drawings.
Fig. 3 is the block diagram of the display system in one embodiment of the present of invention.Compare with above-mentioned existing situation, unfixing by the HDMI connector of ARC output sound signal in an embodiment of the present invention, can be selected.Certainly, under the situation that does not need voice signal, can all not export from all HDMI connectors yet.Can also export from one or more HDMI connector that needs voice signal.Thus, as shown in Figure 3,, loud speaker 102A is sounded, and loud speaker 104A does not sound even in these cases.
Fig. 4 is the block diagram of the information processor in one embodiment of the present of invention.Use Fig. 4, the situation that is changed to display unit 40 with information processing apparatus is an example, and whole action is described.
The television receiving antenna 101 received broadcasting wave signals of Fig. 3 are fed into television reception portion (broadcast reception portion) 402 before, extract the broadcast singal of the channel of user's needs, after the frequency domain of conversion frequency for regulation, supply to signal processing part 403.
At signal processing part 403, at first to the broadcast singal demodulation to remove the modulation treatment of implementing in TV station side in order to transmit.The normal method that adopts a broadcasting channel of a plurality of content time division multiplexinges under the situation of digital broadcasting, signal processing part 403 also will be selected the predetermined process such as multichannel separating treatment of the desirable content of user.The output signal of signal processing part 403 is fed into image, sound separated part 404, is fed into input switching part 407 after being separated into signal of video signal and voice signal.Wherein, between image, sound separated part 404 and the input switching part 407, for fear of numerous and diverseization of drawing, though represent with an arrow, in fact signal of video signal transmits with the state that separates with voice signal in Fig. 4.
Then describe giving and accepting with the signal of external equipment.
Display unit 40 has a plurality of (N), and (4011~401N), each connector is that (41~4N) the HDMI connectors (not shown) that had are connected by the HDMI cable external equipment 1~N with each information processor to HDMI connector 1~N.As mentioned above, external equipment 1~N can be tape decks such as DVD recorder, also can be transcribers such as DVD player, gets final product so long as drive the audio system of loud speaker.These are mixed, can also adopt the using method that certain HDMI connector is not connected external equipment.Can also further be connected by certain external equipment as shown in Figure 3 with other external equipments.The HDMI connector that display unit 40 is had is so long as a plurality of getting final product, 2 for example shown in Figure 3.
CEC (Consumer Electronics Control, consumer electronics control) control part 416 by HDMI connector 1~N (4011~401N), for external equipment 1~N (41~4N), carry out two-way control towards external equipment based on the HDMI standard.
CEC control part 416 is for example according to the indication from control part 414, and (4011~401N), (41~4N) ARC authentication judges whether external device (ED) is the ARC external device (ED) of following the HDMI standard to carry out external device (ED) 1~N by HDMI connector 1~N.Undertaken by ARC under the situation of voice output, the obligation that must carry out the ARC authentication on standard is being arranged.Wherein the ARC authentication is not a purport of the present invention, so detailed.
Supply with under the situation of the presentation content of coming when the user watches from external equipments such as tape deck or transcribers, at first the user for example need supply with the signal of coming by remote controller (not shown) from which external equipment to control part 414 indications.Control part 414 sends to HDMI_SW415.HDMI_SW415 will supply with the information signal HDMI acceptance division 405 that comes from the desirable external equipment of user from HDMI connector 4011~401N and supply with based on above-mentioned indication.
To (4011~401N) some inputs and the information signal that is fed into HDMI acceptance division 405 carry out predetermined process from external equipment 1~N, and then be input to image, sound separated part 406, signal of video signal is separated with voice signal and supply to and import switching part 407.Wherein, represent with an arrow between image, sound separated part 406 and the input switching part 407 herein that in fact signal of video signal transmits with the state that separates with voice signal.
Control part 414 is identical with above-mentioned situation, based on the user for example from the indication of remote controller, control input switching part 407.Input switching part 407 is selected to supply with the needed signal of user the next signal from image, sound separated part 404 or 406.The image processing that selected signal of video signal (V among the figure) is stipulated in image processing portion 408, show image on the display part 409 that display unit 40 is had.
The acoustic processing that input switching part 407 selected voice signals (A among the figure) are stipulated in acoustic processing portion 410 is sounded from the loud speaker 411 that display unit 40 is had.
In addition, input switching part 407 selected voice signals (A among the figure) also are fed into out connector selection portion (being also referred to as the ARC control part) 413.Out connector selection portion 413 is based on the indication from control part 407, among HDMI connector 4011~401N one or more or all supply with the tut signal, as shown in Figure 3 before, by ARC to the external equipment output sound signal.Perhaps, out connector selection portion 413 is not all supplied with the tut signal based on the indication from control part 407 to any HDMI connector 4011~401N.
Control part 414 during based on the export target of the voice signal of ARC, is being determined export target to out connector selection portion 413 indication as follows.At first, there is following method, that is, if certain external equipment is carried out based on the output of the voice signal of ARC then it is kept.In addition, also exist control part 414 for example preferentially to determine the method for audio system as export target.
In addition, also exist the user for example control part 414 to be specified method as the kind of the external equipment of export target by remote controller.On the other hand, voice signal is returned display unit 40 is supplied with the external equipment of voice signals or DVD player etc. and emphasize that the external device (ED) of representational role does not have meaning.In addition, do not wish that as a rule above-mentioned a plurality of loud speaker with equipment of sound reproducing function sounds.Outside above-mentioned appointment from the user, and consider to go up these problems, 414 pairs of out connector selection portions 413 of control part are controlled.
In addition, control part 414 control OSD (On Screen Display, screen display) circuit 412 for example are used for notifying user's OSD to show the connection state of external equipment to display part 409.To this, represent that below the example of concrete display image is elaborated.
Though control part 414, CEC control part 416 and out connector selection portion 413 are expressed as different modules, are not limited thereto.Owing to, on other module this point of control, be common, therefore for example can be used as same module, and on semiconductor equipment, be assembled in the same semiconductor chip for each.In addition, can also be with other signal processing module, singualtion on recent DSP equipment such as (Digital Signal Processor, digital signal processors).
Then, use Fig. 5 and Fig. 6, the example of the OSD demonstration that osd circuit 412 shows on display part 409 is described.As everyone knows, show as OSD, exist to use the part of picture to show the voice output amount or receive in broadcasting channel, perhaps use whole image to show example based on the broadcast reservation chart of each channel of EPG (Electronic Program Guide, electronic program guides).These OSD pictures are also generated by osd circuit 412.Herein, the OSDs relevant with the ARC function HDMI connector demonstrations in the embodiments of the invention are described.
Fig. 5 represents that the OSD of the display unit 40 in one embodiment of the present of invention shows.At display part 501 (be equivalent to Fig. 4 409), show presentation content from broadcasting or external equipment.In addition for example in the upper right portion of figure, show expression certain HDMI connector is carried out showing 502 based on the OSD of the output of the voice signal of ARC.
Fig. 6 represents that the other OSD of the display unit in one embodiment of the present of invention shows.At display part 601 (be equivalent to Fig. 4 409), show presentation content from broadcasting or external equipment.In addition for example at the bottom left section of figure, show be known as the CEC link menus be used to represent that the OSD with the connection state of external equipment shows 602.
In illustrated example, represent that for example transcriber-1 such as DVD player directly is connected with HDMI connector 1 (4011), possess the audio system and HDMI connector 2 (4012) the direct-connected situations of audio frequency amplifier or loud speaker.And represented and then be connected with for example tape deck-1 such as DVD recorder via the HDMI connector of above-mentioned audio system.That is, (4011~401N) directly are connected, and can carry out giving and accepting of signal by the HDMI connector of above-mentioned audio system though tape deck-1 is not with the HDMI connector 1~N of the display unit 40 of Fig. 4.In addition, also represented the audio system that is connected with HDMI connector 2 (4012) is carried out output based on the voice signal of ARC.
In addition, on regulation, only the direct-connected external equipment of HDMI connector with information processor is carried out above-mentioned ARC authentication.For above-mentioned tape deck-1, then by carrying out the ARC authentication with HDMI connector 2 (4012) direct-connected audio systems.
Here, the example that the OSD that uses Fig. 5 and Fig. 6 to illustrate that osd circuit 412 shows on display part 409 shows does not have at information processor under the situation of display part, can make osd information and signal of video signal overlapping yet.
Then, based on Fig. 7~Fig. 9, the method that the export target external equipment when illustrating information processor by the ARC output sound signal is selected.Following as an example, be that the situation of display unit 40 is that example describes with equipment by the ARC output sound signal.Certainly, even also can carry out identical action for other information processors, and in category of the present invention.
Fig. 7 is the first pass figure that the voice output in the embodiments of the invention is handled.Fig. 7 represents to determine situation based on the export target of the voice signal of ARC to arrive first order.
At step S701, the CEC control part 416 of display unit 40 judges in the external device (ED) that is connected whether have specific equipment.
L.A among the figure refers to logical address, particularly represents the kind of information processor.According to the intrinsic code of kinds such as above-mentioned audio system, tape deck regulation.Specific equipment among the figure refers to the specified some kinds of information processing unit of user.Also can make as mentioned above can not be designated by the nonsensical external equipment of ARC supply voice signal.In addition, the producer also can kinds of information processing unit of predetermined fixed.P.A among the figure refers to physical address, decides according to the situation that is connected with the HDMI connector.For example for HDMI connector 1 (4011) direct-connected external equipment, distribute the physical address of [1,0,0,0], for so that external equipment by its connection, distribute physical addresss such as [1,1,0,0].
According to the result that step S701 judges, do not exist in the external device (ED) that connects when being judged to be under the situation of corresponding information processor ("No" among the figure), because can not carry out the output based on the sound of ARC of user's expectation, so direct process ends.Exist in the external device (ED) that connects when being judged to be under the situation of corresponding information processor ("Yes" among the figure), in step S702, control part 414 judging/displaying devices 40 whether to some information processors by the ARC output sound signal.
According to the result of determination of step S702, some information processors are passed through under the situation of ARC output sound signal ("Yes" among the figure) when being judged to be display unit 40, directly process ends.That is, in the flow process of Fig. 7, the export target of voice signal is to arrive first the order decision.
Result according to step S702 judgement, any information processor is not passed through under the situation of ARC output sound signal ("No" among the figure) when being judged to be display unit 40, in step S703, the HDMI connector m of CEC control part 416 by being connected with the information processor corresponding with above-mentioned logical address (1≤m≤N), to with display unit 40 direct-connected information processors---be physical address [m, 0,0,0], send first order (illustrated Request ARC Initiation, request beginning ARC) of request beginning ARC.When this information processor as mentioned above by with situation that display unit 40 direct-connected information processors are connected under, also to display unit 40 direct-connected information processors---be physical address [m, 0,0,0], sends first order (illustrated Request ARCInitiation) of request beginning ARC.
In the regulation of ARC, accept when the information processor that receives above-mentioned first order under the situation of above-mentioned request of display unit 40, second order (the Initiate ARC in the step S704, beginning ARC) that indication is begun to send voice signal sends to display unit 40.In step S704, whether CEC control part 416 judging/displaying devices 40 receive above-mentioned second order from the information processor of physical address [m, 0,0,0].
The result who judges according to step S704 is under the situation that does not receive above-mentioned second order ("No" among the figure), because can not carry out the output based on the sound of ARC of user's expectation, so direct process ends.
Result according to step S704 judgement, under the situation that receives above-mentioned second order ("Yes" among the figure), in step S705, CEC control part 416 makes 40 couples of physical address [m of display unit, 0,0,0] information processor, send three order (illustrated ReportARC Initiated, notice ARC begin) of notice beginning based on the output of the voice signal of ARC.
Then in step S706, out connector selection portion 413 will supply to HDMI connector 1~N from the voice signal that input switching part 407 is supplied with, and (m HDMI connector 4011~401N) carries out the transmission based on the voice signal of ARC, process ends.
In addition, can also after step S706, (σ among the figure) add the step that above-mentioned OSD shows.This also is same in other flow processs of following explanation.This is used Figure 10 explanation.
Figure 10 is that the OSD in one embodiment of the present of invention shows the flow chart of handling.After the transmission of beginning based on the voice signal of ARC, in step S1001, osd circuit 412 is based on the indication of control part 414, with Fig. 5 and OSD shown in Figure 6 are presented at demonstration on the display part 409 before in step S706 before.The user can confirm the running-active status of display unit 40 thus.
In addition, in Fig. 7 before, the order of step S701 and S702 also can be opposite, and whether decision condition that also can be by making step S702 for for example carrying out ARC output to the equipment more than 2, thereby can carry out voice output by ARC to number of devices arbitrarily.
The example different with above-mentioned motion flow then is described.
Fig. 8 is second flow chart that the voice output in the embodiments of the invention is handled.Different among Fig. 8 with Fig. 7, represented with the equipment of particular types preferentially as situation, for example with the situation of audio system as preference faciltiy based on the export target of the voice signal of ARC.For preference faciltiy, can in the control part 414 of display unit 40, preestablish the information specific processing unit by the producer of device, but also can specify by the user as preference faciltiy.Specify the user under the situation of preference faciltiy, also can make as mentioned above can not be designated by the nonsensical external equipment of ARC supply voice signal.
In step S801, the intrinsic code of distributing to above-mentioned preference faciltiy is appointed as logical address.Be that CEC control part 416 judges whether the preference faciltiy by the logical address appointment is present in the external device (ED) that is connected.
According to the result that step S801 judges, do not exist in the external device (ED) that connects when being judged to be under the situation of corresponding information processor ("No" among the figure), because the output that can not carry out being expected, so direct process ends based on the sound of ARC.Exist in the external device (ED) that connects when being judged to be under the situation of corresponding information processor ("Yes" among the figure), in step S802, CEC control part 416 judging/displaying devices 40 whether to above-mentioned preference faciltiy by the ARC output sound signal.
According to the result of step S802 judgement, when being judged to be display unit 40, because do not need to change the export target of voice signal, so direct process ends in that above-mentioned preference faciltiy is passed through under the situation of ARC output sound signal ("Yes" among the figure).
Result according to step S802 judges does not pass through to advance to step S803 under the situation of ARC output sound signal ("No" among the figure) to above-mentioned preference faciltiy when being judged to be display unit 40.The physical address that makes above-mentioned preference faciltiy herein is [m, 0,0,0], is that the information processor of [m, 0,0,0] is connected with display unit 40 by physical address perhaps.In step S803, CEC control part 416 by HDMI connector m (1≤m≤N), to display unit 40 direct-connected information processors---be physical address [m, 0,0,0] sends first of request beginning ARC and order (illustrated Request ARC Initiation).Preference faciltiy as mentioned above by with situation that display unit 40 direct-connected information processors are connected under, also to display unit 40 direct-connected information processors---be physical address [m, 0,0,0], sends first order (illustrated Request ARC Initiation) of request beginning ARC.
In the regulation of ARC, accept when the preference faciltiy that receives above-mentioned first order under the situation of above-mentioned request of display unit 40, second order (the Initiate ARC in the step S804, beginning ARC) that indication is begun to send voice signal sends to display unit 40.In step S804, whether CEC control part 416 judging/displaying devices 40 receive above-mentioned second order from the information processor of physical address [m, 0,0,0].
According to the result of determination of step S804, under the situation that does not receive above-mentioned second order ("No" among the figure), because the output that can not expect, so direct process ends based on the sound of ARC.
According to the result of the judgement of step S804, under the situation that receives above-mentioned second order ("Yes" among the figure), in step S805, CEC control part 416 judging/displaying devices 40 whether to some information processors by the ARC output sound signal.
Result according to step S805 judgement, any information processor is not passed through under the situation of ARC output sound signal ("No" among the figure) when being judged to be display unit 40, in step S812,416 couples of physical address [m of CEC control part, 0,0,0] information processor sends three order (illustrated Report ARCInitiated) of notice beginning based on the output of the voice signal of ARC.
Result according to the judgement of before step S805, some information processors are being passed through under the situation of ARC output sound signal ("Yes" among the figure) when being judged to be display unit 40, the step of this voice output of executive termination as described below, and carry out the step that above-mentioned information processor is begun voice output on this basis.
At first, in step S806, the information processor of 416 pairs of physical addresss of CEC control part [m, 0,0,0] sends refusal order (illustrated Feature Abort, function cancellation).
Then, in step S807,416 pairs of conducts of CEC control part are by the information processor of the target of ARC output sound signal, and the request of transmission stops the 4th order (illustrated Request ARC Termination, ARC is ended in request) of ARC.
Regulation according to ARC, accepted when the information processor that receives above-mentioned the 4th order under the situation of above-mentioned request of display unit 40, the 5th order (the Terminate ARC in the step S808 ends ARC) that indication is stopped to send voice signal sends to display unit 40.In step S808, whether CEC control part 416 judging/displaying devices 40 receive above-mentioned the 5th order from above-mentioned information processor.
The result who judges according to step S808 is under the situation that does not receive above-mentioned the 5th order ("No" among the figure), because the output based on the sound of ARC that can not expect, so direct process ends.
Result according to step S808 judgement, under the situation that receives above-mentioned the 5th order ("Yes" among the figure), in step S809, the notice that sends 416 pairs of above-mentioned information processors of CEC control part finishes the 6th order (illustrated Report ARC Terminate) based on the output of the voice signal of ARC, finishes above-mentioned information processor output sound signal.
Then, in step S810, identical with step S803 before, CEC control part 416 is by HDMI connector m (1≤m≤N), to with display unit 40 direct-connected information processors---be physical address [m, 0,0,0] sends first of request beginning ARC and order (illustrated Request ARC Initiation).Preference faciltiy as mentioned above by with situation that display unit 40 direct-connected information processors are connected under, also to display unit 40 direct-connected information processors---be physical address [m, 0,0,0], sends first order (illustrated Request ARC Initiation) of request beginning ARC.
Then, identical with before step S804 in step S811, whether CEC control part 416 judging/displaying devices 40 receive above-mentioned second order (illustrated Initiate ARC) from the information processor of physical address [m, 0,0,0].
The result who judges according to step S811 is under the situation that does not receive above-mentioned second order ("No" among the figure), because the output based on the sound of ARC that can not expect, so direct process ends.
Result of determination according to step S811, under the situation that receives above-mentioned second order ("Yes" among the figure), in step S812, CEC control part 416 makes 40 couples of physical address [m of display unit, 0,0,0] information processor sends three order (illustrated Report ARC Initiated) of notice beginning based on the output of the voice signal of ARC.
In step S805 before, if be judged to be display unit 40 not to the voice signal (illustrated "No") of any information processor output based on ARC, then directly arrive step S812, comprise this situation interior, then in step S813, out connector selection portion 413 will supply to HDMI connector 1~N from the voice signal that input switching part 407 is supplied with, and (m HDMI connector 4011~401N) carries out the transmission based on the voice signal of ARC, process ends.In addition, in Fig. 8, can be not receive under the situation of above-mentioned the 5th order in the result that step S808 judges also, pressure stops the output based on the voice signal of ARC, advance to step S810, the decision condition that can also make step S805 is handled by inserting for example for whether the equipment more than 2 being carried out ARC output, selection stops among step S807~S809 the external equipment based on the voice output of ARC, can carry out voice output by ARC to number of devices arbitrarily.
Then explanation and Fig. 8 have the example of some different motion flows.
Fig. 9 is the 3rd flow chart that the voice output in the embodiments of the invention is handled.Identical among Fig. 9 with Fig. 8, represented the export target of conduct based on the voice signal of ARC, for example audio system is appointed as the situation of preference faciltiy.But difference is not exist the step S806 of Fig. 8, replaces it to append step S901.
Step S803 is identical step with S810 among Fig. 8 before, and step S804 also is identical step with S811.In the step S805 of Fig. 8, some information processors to be passed through under the situation of ARC output sound signal ("Yes" among the figure) when being judged to be display unit 40, same step will be carried out twice.
In the CEC standard, except specific situation, information processor requires to be responded with interior at 1 second for the response of order.To this, different among Fig. 9 with Fig. 8, step S901 is set, in step S809, stop after other information processors send voice signal, whether CEC control part 416 is judged and has been received since above-mentioned second order through more than 1 second.According to the result that step S901 judges, ("Yes" among the figure) is identical with Fig. 8 under through the situation more than 1 second, carries out the transmission of first order in step S810.Under not through the situation more than 1 second ("No" among the figure), advance to the transmission that step S812 carries out above-mentioned the 3rd order at once, reduce treatment step and accelerate responsiveness.
In addition, in Fig. 9, can be not receive under the situation of above-mentioned the 5th order in the result that step S808 judges also, pressure stops the output based on the voice signal of ARC, advance to step S901, whether the decision condition that can also make step S805 for example for carrying out ARC output to the equipment more than 2, selects external equipment to stop among step S807~S809 processing based on the voice output of ARC by inserting, and can carry out voice output by ARC to number of devices arbitrarily.
Then, based on Figure 11~Figure 13, the action when information processor is supplied with voice signal by the external device (ED) request by ARC describes.Following as an example, be that example describes with the situation that is requested to be changed to display unit 40 by the information processing apparatus that ARC supplies with voice signal side.Certainly, even also can carry out identical action for other information processors, and in category of the present invention.
Figure 11 is the 4th flow chart that the voice output in the embodiments of the invention is handled.Figure 11 represents to determine situation based on the supply target of the voice signal of ARC to arrive first order.
In step S1101, whether control part 414 judging/displaying devices 40 are passing through the ARC output sound signal for some information processors.
Result according to step S1101 judgement, when being judged to be display unit 40 under the situation of the output of some information processors being carried out voice signal by ARC ("Yes" among the figure), identical with the step S806 of Fig. 8 before, at step S1104, to refuse the information processor transmission of order (illustrated Feature Abort) to request supply voice signal, and direct process ends.That is, in the flow chart of Figure 11, based on the supply target of the voice signal of ARC to arrive first the order decision.
Result according to step S1101 judgement, any information processor is not undertaken by ARC under the situation of output of voice signal ("No" among the figure) when being judged to be display unit 40, in step S1102, the information processor of voice signal is supplied with in 416 pairs of requests of CEC control part, sends three order (illustrated Report ARC Initiated) of notice beginning based on the output of the voice signal of ARC.Here, different with the situation of Fig. 7 and Fig. 8, do not represent above-mentioned the 3rd order first and second orders before among Figure 11.As mentioned above, Figure 11 represents that by the situation of external device (ED) request by ARC supply voice signal, there is not above-mentioned first order in information processor.In addition, above-mentioned request is above-mentioned second order towards display unit 40.
Then, in step S1103, out connector selection portion 413 will be supplied with the voice signal of coming from input switching part 407, supply to HDMI connector 1~N and (be connected with the HDMI connector that the information processor of voice signal is supplied with in request in 4011~401N), carry out the transmission of voice signal by ARC, and process ends.
Here, in Figure 11 before, whether the decision condition by making step S1101 for example for carrying out ARC output to the equipment more than 2, thereby can carry out voice output by ARC to number of devices arbitrarily.
The example different with above-mentioned motion flow then is described.
Figure 12 is the 5th flow chart that the voice output in the embodiments of the invention is handled.Different among Figure 12 with Figure 11, represented with the equipment of particular types preferentially as situation, for example with the situation of audio system as preference faciltiy based on the export target of the voice signal of ARC.For preference faciltiy, can in the control part 414 of display unit 40, preestablish the information specific processing unit by the producer of device, but also can specify by the user as preference faciltiy.Specify the user under the situation of preference faciltiy, also can make as mentioned above can not be designated by the nonsensical external equipment of ARC supply voice signal.
In step S1201, whether control part 414 judging/displaying devices 40 are passing through the ARC output sound signal to some information processors.
Result according to step S1201 judgement, any information processor is not passed through under the situation of ARC output sound signal ("No" among the figure) when being judged to be display unit 40, because supply that can corresponding tut signal, in step S1201, the information processor of voice signal is supplied with in 416 pairs of requests of CEC control part, sends the 3rd order (illustrated Report ARC Initiated) that begins by the ARC output sound signal.
Result according to step S1201 judgement, some information processors are being passed through under the situation of ARC output sound signal ("Yes" among the figure) when being judged to be display unit 40, in step S1202, CEC control part 416, judge above-mentioned second the order (illustrated InitiateARC) whether be from being connected with the path of preference faciltiy---promptly directly be connected with the HDMI connector of preference faciltiy, perhaps be connected with the HDMI connector of preference faciltiy by other information processors---reception.
According to the result that step S1202 judges, not under the situation that the path that is connected with preference faciltiy receives ("No" the figure) when being judged to be second order, handle by following mode.Promptly, by ARC during to other information processor output sound signals, because do not switch to the information processor output sound signal beyond the preference faciltiy, so in step S1209, the information processor of voice signal is supplied with in 416 pairs of requests of CEC control part, send refusal order (illustrated Feature Abort), and direct process ends.
According to the result that step S1202 judges, be under the situation that the path that is connected with preference faciltiy receives ("Yes" the figure) when being judged to be second order, in step S1203, CEC control part 416 sends refusal order (illustrated Feature Abort).
Then, in step S1204,416 pairs of information processors of hereto supplying with voice signal of CEC control part by ARC, the request of transmission stops the 4th order (illustrated Request ARC Termination) of ARC.
Regulation according to ARC, accept when the information processor that receives above-mentioned the 4th order under the situation of above-mentioned request of display unit 40, send the 5th order (the Terminate ARC in the step S1205) that indication stop the transmission of voice signal display unit 40.In step S1205, whether CEC control part 416 judging/displaying devices 40 receive above-mentioned the 5th order from above-mentioned information processor.
The result who judges according to step S1205 is under the situation that does not receive above-mentioned the 5th order ("No" among the figure), because the output based on the sound of ARC that can not expect, so direct process ends.
Result according to step S1205 judgement, under the situation that receives above-mentioned the 5th order ("Yes" among the figure), in step S1206, the notice that sends 416 pairs of above-mentioned information processors of CEC control part finishes the 6th order (illustrated Report ARC Terminated) based on the output of the voice signal of ARC, finishes to above-mentioned information processor output sound signal.
Then, in step S1207,416 pairs of CEC control parts are connected with request and---promptly are connected with the path of preference faciltiy---and display unit 40 direct-connected information processors based on the path that ARC supplies with the preference faciltiy of voice signal by above-mentioned, send first order (illustrated Request ARC Initiation) of request beginning ARC.
Then, in step S1208, whether CEC control part 416 is judged from above-mentioned and is connected with request and receives above-mentioned second order (illustrated Initiate ARC) based on the path that ARC supplies with the preference faciltiy of voice signal.
According to the result of the judgement of step S1208, under the situation that does not receive above-mentioned second order ("No" among the figure), because the output that can not expect, so direct process ends based on the sound of ARC.
Result according to the judgement of step S1208, under the situation that receives above-mentioned second order ("Yes" among the figure), in step S1210, the preference faciltiy path of voice signal is supplied with in 416 pairs of requests of CEC control part, sends three order (illustrated Report ARC Initiated) of notice beginning based on the output of the voice signal of ARC.
In step S1201 before, do not pass through ARC output sound signal ("No" among the figure) if be judged to be display unit 40 for any information processor, then directly arrive step S1210, comprise this situation interior, then in step S1211, out connector selection portion 413 will supply to the HDMI connector that is connected with above-mentioned preference faciltiy path from the voice signal of input switching part 407 supplies, carry out the transmission of voice signal by ARC, and process ends.
Promptly, in the flow chart of Figure 12, when other information processors are passed through the ARC output sound signal ("Yes" of step S1201), only send under the situation of request at information processor as preference faciltiy, out connector selection portion 413 switches to the preference faciltiy path with export target, supplies with voice signal.
In addition, in Figure 12, can be not receive under the situation of above-mentioned the 5th order in the result that step S1205 judges also, pressure stops the output based on the voice signal of ARC, advance to step S1207, the decision condition that can also make step S1201 is handled by inserting for for example whether 2 above equipment being carried out ARC output, selection stops among step S1204~S1206 the external equipment based on the voice output of ARC, can carry out voice output by ARC to number of devices arbitrarily.
Follow the example of the slightly different motion flow of explanation and Figure 12.
Figure 13 is the 6th flow chart that the voice output in the embodiments of the invention is handled.Identical among Figure 13 with Figure 12, represented the export target of conduct based on the voice signal of ARC, for example audio system is appointed as the situation of preference faciltiy.But difference is not exist the step S1203 of Figure 12, replaces it to append step S1301.That is, this difference is identical with the difference of above-mentioned Fig. 8 and Fig. 9.
In Figure 13, different with Figure 12, be provided with step S1301, in step S1206, stop after other information processors send voice signal, whether CEC control part 416 is judged and has been received since above-mentioned second order through more than 1 second.The result who judges according to step S1301 under through the situation more than 1 second ("Yes" among the figure), coexists mutually with Figure 12 and to carry out the transmission of first order among the step S1207.Under not through the situation more than 1 second ("No" among the figure), advance to the transmission that step S1210 carries out above-mentioned the 3rd order at once, reduce treatment step and accelerate responsiveness.
In addition, in Figure 13, can be not receive under the situation of above-mentioned the 5th order in the result that step S1205 judges also, pressure stops the output sound signal by ARC, advance to step S1301, the decision condition that can also make step S1201 is handled by inserting for for example whether the equipment more than 2 being carried out ARC output, selection stops among step S1204~S1206 the external equipment based on the voice output of ARC, can carry out voice output by ARC to number of devices arbitrarily.
So far Biao Shi execution mode is an example, does not limit the present invention.For example the block diagram of the display unit 40 represented of Fig. 4 is examples, can consider the various deformation example.In the information processor beyond this external display unit, can be different block diagrams.Can consider different execution modes based on purport of the present invention in addition, it is all in category of the present invention.